« previous next »
« previous next »
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Comparison of the titration curves of three weak acids Comparison of the titration curves of three weak acids
Tuning Curves Tuning Curves
In this 1921 photo of a one-room schoolhouse in Marey, West Virginia, you can see how public ... In this 1921 photo of a one-room schoolhouse in Marey, West Virginia, you can see how public ...
Draw an Edgeworth box for two consumers over two goods Draw an Edgeworth box for two consumers over two goods
A company that makes cell phones has the following cost structure. They have fixed costs of ... A company that makes cell phones has the following cost structure. They have fixed costs of ...
Survivorship curves for people in the United States in the early 20th and early 21st centuries Survivorship curves for people in the United States in the early 20th and early 21st centuries
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library